| Locality | Postal Code |
|---|---|
| Axtell, Marshall | 66403 |
| Beattie, Marshall | 66406 |
| Blue Rapids, Marshall | 66411 |
| Bremen, Marshall | 66412 |
| Frankfort, Marshall | 66427 |
| Herkimer, Marshall | 66508 |
| Home, Marshall | 66438 |
| Lillis, Marshall | 66427 |
| Marysville, Marshall | 66508 |
| Oketo, Marshall | 66518 |
| Summerfield, Marshall | 66541 |
| Vermillion, Marshall | 66544 |
| Vliets, Marshall | 66544 |
| Waterville, Marshall | 66548 |